docs: Minor - replace seavgabios text in Build_overview.md with link

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/docs/Build_overview.md b/docs/Build_overview.md
index 6c1c45f..8c6b2f4 100644
--- a/docs/Build_overview.md
+++ b/docs/Build_overview.md
@@ -89,11 +89,7 @@
 firmware initialization. The **src/std/** directory contains header
 files describing standard bios, firmware, and hardware interfaces.
 
-The **vgasrc/** directory contains code for VGA BIOS implementations.
-This code is separate from the main BIOS code in the src/ directory.
-When the build is configured to produce a VGA BIOS the resulting
-binary is found in out/vgabios.bin. The VGA BIOS code is always
-compiled in 16bit mode.
+The **vgasrc/** directory contains code for [SeaVGABIOS](SeaVGABIOS).
 
 The **scripts/** directory contains helper utilities for manipulating
 and building the final roms.
diff --git a/docs/SeaVGABIOS.md b/docs/SeaVGABIOS.md
index 8e4e8e8..7ec2780 100644
--- a/docs/SeaVGABIOS.md
+++ b/docs/SeaVGABIOS.md
@@ -28,7 +28,8 @@
 
 The source code for SeaVGABIOS is located in the SeaBIOS
 [git repository](Download). The main VGA BIOS code is located in the
-"vgasrc/" directory.
+"vgasrc/" directory. The VGA BIOS code is always compiled in 16bit
+mode.
 
 The SeaVGABIOS builds to a separate binary from the main SeaBIOS
 binary, and much of the VGA BIOS code is separate from the main BIOS